Rocanville is a community in Saskatchewan, Canada, and home to the largest oil can in the world. It is home of the Potash Corporation of Saskatchewan potash mine which recently announced a $1.6 billion expansion. Rocanville is also the home of the Symons Oiler factory which produced over 1 million oil cans during the Second World War 2. The town erected the giant oil can to commemorate the factory. Rocanville is also known for the crop circles that were discovered there in the fall of 1996.